An explosive biography of the legendary Elvis Presley claims the King of Rock preyed on girls as young as 14.

In Elvis Presley: A Southern Life, author Joel Williamson claims Elvis spent his days on the road preying on underage girls.

The book claims that when he was 22, the Heartbreak Hotel singer allegedly befriended and preyed upon a trio of 14-year-old girls.

Williamson said the girls would pillow fight, tickle, wrestle and kiss the handsome singer.

A brooding Elvis in the 1950s. A book claims he liked his girls underage.

In the salacious tome, the author also said Elvis had sex with one young fan and the condom broke. He allegedly drove the terrified girl to the hospital and at the same time, was calling his girlfriend in Memphis.

She was 15.

According to Vice, the girl was Dixie Lock, one of the greatest loves of the rock star’s life. He was 19 at the time and had taken her to the junior prom.

Presley met Priscilla — his future wife — in 1959 when she was 14 years old.

They would end up marrying in 1967.

The drug-addicted legend died at age 42 in 1977, after suffering cardiac failure while sitting on a toilet at Graceland.